Continuous vomiting on kicking stomach
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continuous vomiting after kick to stomach abdomen causes treatment
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Continuous Vomiting After a Kick/Blow to the Stomach (Abdomen)
Why Vomiting Happens
A kick or blunt blow to the abdomen triggers vomiting through several mechanisms:
- Vagal stimulation - The solar plexus (celiac plexus) sits in the epigastric region. A direct blow stimulates vagal afferents, causing an immediate nausea/vomiting reflex - this is the "wind knocked out" phenomenon.
- Peritoneal irritation - Blood, bile, gastric contents, or bowel content leaking into the peritoneal cavity is a powerful emetic stimulus.
- Increased intra-abdominal pressure - Sudden compression of the stomach when full can physically expel its contents.
- Organ injury with inflammation - Traumatic pancreatitis, bowel contusion, or solid organ laceration triggers inflammatory mediators that cause persistent nausea and vomiting.
Why CONTINUOUS Vomiting Is a Red Flag
One episode of vomiting after a blow is common and usually benign. Continuous or repeated vomiting after abdominal trauma is a serious warning sign of an underlying injury.
"Overall, the accuracy of the physical examination in patients with blunt abdominal trauma is only 55%-65% because the initial presentation may be deceptively benign."
- Rosen's Emergency Medicine, p. 488
Possible Underlying Injuries
| Injury | Key Features |
|---|---|
| Splenic laceration | Most commonly injured organ; can cause delayed rupture hours-days later |
| Liver laceration | Second most common; right upper quadrant pain radiating to shoulder |
| Hollow viscus (bowel) injury | Compression between fist/foot and vertebral column; perforation causes peritonitis |
| Pancreatic injury / traumatic pancreatitis | Epigastric pain, persistent vomiting, elevated amylase/lipase |
| Mesenteric tear | May cause delayed hemoperitoneum |
| Gastric contusion/rupture | Direct trauma to the stomach itself |
| Duodenal hematoma | Causes gastric outlet obstruction - hallmark is repeated vomiting |
Warning Signs Requiring IMMEDIATE Emergency Care
Seek emergency care immediately if any of the following occur after a kick to the abdomen:
- Continuous or worsening vomiting (not settling after 1-2 hours)
- Vomiting blood (hematemesis)
- Severe or worsening abdominal pain, especially spreading pain
- Abdomen becoming rigid or board-like (peritonitis)
- Dizziness, fainting, or rapid weak pulse (hemorrhagic shock)
- Shoulder-tip pain (referred pain from diaphragmatic irritation by blood - Kehr's sign, suggests splenic injury)
- Fever developing hours later
- Blood in urine or stool
- Signs of shock: pale, cold, clammy skin, rapid breathing
What Happens in the Emergency Department
Based on Rosen's Emergency Medicine and Greenfield's Surgery:
- e-FAST ultrasound - First-line bedside test to detect free fluid (blood) in the peritoneum (Morrison's pouch, splenorenal recess, pelvis)
- CT abdomen with IV contrast - Gold standard for hemodynamically stable patients; detects solid organ injuries, free fluid, pneumoperitoneum
- Blood tests - FBC, amylase/lipase (pancreatitis), liver enzymes, urinalysis
- Serial abdominal exams - Repeated by the same examiner, since initial signs can be absent even with serious injury
Emergency surgery (laparotomy) is needed if:
- Refractory hypotension + positive FAST for hemoperitoneum
- Obvious peritonitis (board-like abdomen, rebound tenderness) + positive FAST
- Hemodynamically unstable with other life-threatening injuries
Hemodynamically stable patients with solid organ injuries can often be managed non-operatively with a 95% success rate (Rosen's Emergency Medicine, p. 495).
Special Note: Children
Children are at particular risk. Vomiting after abdominal trauma in a child is taken very seriously. Per The Harriet Lane Handbook and Greenfield's Surgery, vomiting combined with abdominal tenderness significantly increases the probability of internal injury. CT abdomen with IV contrast is the best assessment in a stable pediatric patient.
Bottom Line
Continuous vomiting after a kick to the stomach is a medical emergency until proven otherwise. Do not wait at home - go to an emergency department for evaluation. The initial examination can be falsely reassuring even with significant internal injury.
Sources: Rosen's Emergency Medicine, 7e, pp. 486-495; Mulholland and Greenfield's Surgery, 7e; The Harriet Lane Handbook, 23e; Alberta Health abdominal pain after injury guidance
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